Guayusa

Identity

Common Name

Guayusa

Scientific Name

Ilex guayusa

Botanical Family

Aquifoliaceae

Native Region

Amazon basin (Ecuador)

Cultivation Regions

Ecuador (Amazon), Peru, Colombia

Plant Parts Used

Leaves

Synonyms

Wayusa, Holly Leaf

Caffeine Level

Caffeinated (high)

An evergreen holly tree of the Amazon with large glossy oval serrated leaves and small white clustered flowers; the dried leaves are prepared as a traditional caffeinated Amazonian infusion, richer and less bitter than mate.

Historical Background

Guayusa has been a sacred dawn tea of the Kichwa peoples of the Ecuadorian Amazon for centuries, shared around morning fires to sharpen focus, share dreams, and build community. Its smooth, naturally sweet, high-caffeine leaves make it a gentler cousin to yerba mate.

Earliest recorded uses: Indigenous Kichwa (Quechua) Amazonian traditions for centuries; a sacred dawn ritual tea.

Traditional Uses

These uses document historical traditions and do not imply proven effectiveness.

Flavor & Aroma

Aroma: Smooth, slightly sweet, earthy, grassy

Tea Information

Research Summary

Guayusa is a traditional high-caffeine Amazonian stimulant tea rich in antioxidants. Clinical evidence is insufficient; it is not a treatment for fatigue, obesity, or any disease; moderate intake is advised given caffeine content.

Evidence levels reflect the currently available scientific literature and may change as new research emerges. Where evidence is limited or conflicting, this is stated plainly.

References & Sources